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Finding the Fourth Proportional to 467.04, 699.32 and 386.24

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Solution

The fourth proportional to 467.04, 699.32 and 386.24 is: 578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.04 : 699.32 = 386.24 : x
  2. Step 2: Convert to fraction form
    467.04/699.32 = 386.24/x
  3. Step 3: Cross multiply
    467.04x = 699.32 × 386.24
  4. Step 4: Simplify right side
    467.04x = 270,105.36
  5. Step 5: Solve for x
    x = 270,105.36/467.04
  6. Step 6: Final answer
    x = 578.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.